mirror of https://github.com/rust-lang/rust
36 lines
709 B
Rust
36 lines
709 B
Rust
//@ force-host
|
|
//@ no-prefer-dynamic
|
|
|
|
#![crate_type = "proc-macro"]
|
|
#![feature(proc_macro_quote)]
|
|
|
|
extern crate proc_macro;
|
|
|
|
use proc_macro::*;
|
|
|
|
#[proc_macro_attribute]
|
|
pub fn attr_tru(_attr: TokenStream, item: TokenStream) -> TokenStream {
|
|
let name = item.into_iter().nth(1).unwrap();
|
|
quote!(fn $name() -> bool { true })
|
|
}
|
|
|
|
#[proc_macro_attribute]
|
|
pub fn attr_identity(_attr: TokenStream, item: TokenStream) -> TokenStream {
|
|
quote!($item)
|
|
}
|
|
|
|
#[proc_macro]
|
|
pub fn tru(_ts: TokenStream) -> TokenStream {
|
|
quote!(true)
|
|
}
|
|
|
|
#[proc_macro]
|
|
pub fn ret_tru(_ts: TokenStream) -> TokenStream {
|
|
quote!(return true;)
|
|
}
|
|
|
|
#[proc_macro]
|
|
pub fn identity(ts: TokenStream) -> TokenStream {
|
|
quote!($ts)
|
|
}
|